package org.exercise9.mediator;

/**
 * @author Stranger
 * @version 1.0
 * @description: TODO
 * @date 2022/12/20 16:02
 */
public interface Mediator {

    public String message();

    public String messageAndRemove();

    public void sendMessage(String message);

    public void exchange(Mediator mediator);
}
